Question

In many supermarkets customers can pay for their shopping using credit cards. (a) Name two items of information stored on the magnetic stripe on these cards. (b) State two ways that the supermarket computer would check the credit card.

Answer 1

Step-by-step explanation:

Two items on the magnetic strip are, Credit Card info and Balance

Two ways supermarket may check are the PIN pad you are using to pay or their reciept system.